#-*- coding: utf-8 -*-
#
# Copyright (C) 2007 Ville Leskinen
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA

"""This module provides a listener for Qt4 GUI."""

from igCreator.listener import Listener, ListenerEvent
from PyQt4 import QtCore

class GuiListener(Listener, QtCore.QObject):
	"""
	A listener that is able to emit PyQt-signals. The signals that this
	class emits are:

	
		- EventAdd - each time event is added
		- EventHappening - each time a new event is happening
		- Finished - when there isn't anything more to do
	"""
	
	def __init__(self):
		Listener.__init__(self)
		QtCore.QObject.__init__(self)

	def addEvent(self, event):
		Listener.addEvent(self, event)
		self.emit(QtCore.SIGNAL('EventAdd'), self)

	def eventHappening(self, event):
		Listener.eventHappening(self, event)
		self.emit(QtCore.SIGNAL('EventHappening'), self, event)

	def finished(self):
		Listener.finished(self)
		self.emit(QtCore.SIGNAL('Finished'), self)
